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A female asked:

Have patellofemoral syndrome & chondromalacia w/subluxable patella. during exercise patella shifted & could not walk. later loud pop w/swelling.

1 doctor answer1 doctor weighed in
Dr. Bernard Bach Jr
Orthopedic Surgery 43 years experience
Chondral surface.: You may have injured the chondral surface of the kneecap joint. You should see a sports medicine knee specialist, who could sort this out for you.
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Last updated Nov 18, 2013
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